code: def test_allowed(self):
      a = cupy.array([2, 3])
      with cupyx.allow_synchronize(True):
          a.get()
  
file_path: cupy/tests/cupy_tests/core_tests/test_syncdetect.py
imports: import unittest
  import pytest
  import cupy
  import cupyx
label_desc: Use image node_id 2 for calling the TestSyncDetect obj's underlying member method code with example usage: obj.test_allowed() without return types